The Polytrichaceae is a common family of mosses. Members of this family tend to be larger than other mosses with a thickened central stem and a rhizome. The leaves have a midrib that bears lamellae on the upper surface. Species in this group are dioicous. Another characteristic that identifies them is that they have from 32 to 64 peristome teeth in their sporangium.
The Subclass Polytrichidae is a member of the Class Polytrichopsida. Here is the complete "parentage" of Polytrichidae:
The Subclass Polytrichidae is further organized into finer groupings including:
The Polytrichaceae is a common family of mosses. Members of this family tend to be larger than other mosses with a thickened central stem and a rhizome. The leaves have a midrib that bears lamellae on the upper surface. Species in this group are dioicous. Another characteristic that identifies them is that they have from 32 to 64 peristome teeth in their sporangium. [more]
At least 627 species and subspecies belong to the Order Polytrichales.
More info about the Order Polytrichales may be found here.
